Seiko Cal. 6674 - 591

The Seiko 6674-591 represents an important milestone in Seiko's 1991 lineup. Powered by the 6674 caliber with 19j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-4c5dba6a6597]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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